초록 ▼

The disclosed conveyor has a frame which comprises side channel members and crosspieces on which are mounted rollers, a supporting plate, an endless belt, elongate side members having side portions and a U-shaped portions in which the edges of the supporting plate are disposed, and end cover compris

The disclosed conveyor has a frame which comprises side channel members and crosspieces on which are mounted rollers, a supporting plate, an endless belt, elongate side members having side portions and a U-shaped portions in which the edges of the supporting plate are disposed, and end cover comprising a cover plate and end cover members which are complementary with and affixed to the side wall portions. The conveyor is mounted on a portable base and has standard control for starting and stopping the conveyor belt.

대표청구항 ▼

In a conveyor comprising an endless belt, a drive roller, an idler roller, a supporting plate underlying said endless belt, and frame means for supporting said rollers and said supporting plate in a position such that said endless belt is supported by said supporting plate; the improvement in which:

In a conveyor comprising an endless belt, a drive roller, an idler roller, a supporting plate underlying said endless belt, and frame means for supporting said rollers and said supporting plate in a position such that said endless belt is supported by said supporting plate; the improvement in which: said frame means comprises parallel planar members each of which has an inturned member at the top edge thereof; crosspiece means is rigidly affixed to said planar members to hold said planar members in the stated parallel position with the inturned members thereof inturned toward each other in a common plane; said supporting plate has its edges disposed in elongate, U-shaped members which in turn are disposed between said crosspiece means and said inturned members; said rollers turn on transverse axles one of which is affixed to said planar members adjacent one end thereof by fixed means and the other of which is affixed by longitudinally-adjustable means affixed to said planar members adjacent the other end thereof and in positions to hold the uppermost surfaces of the said rollers in a plane common with the supporting surface of said supporting plate; side wall members extend from the inner edges of said U-shaped members to give said conveyor a substantially trough-like, transverse cross section; endpiece means is fastened to said planar members at one end thereof and to said side wall members for closing that end of said conveyor; and said supporting plate is made of ultra, high-molecular weight, rigid plastic and said endless belt is made of flexible plastic at least one of which plastics has a self-lubricating surface juxtaposed to a surface of the other.